Radeon R5 M420 and Radeon 680M - video card comparison
Passmark - benchmark score Radeon R5 M420 vs Radeon 680M
Radeon R5 M420
501
Radeon 680M
6351
Radeon R5 M420
Radeon 680M
Architecture
GCN (2011−2017)
RDNA 2 (2020−2022)
GPU code name
Jet
RDNA 2 Rembrandt
Market segment
Laptop
Laptop
Release date
June 2016
January 2022
Interface
PCIe 3.0 x8
PCIe 4.0 x8
Supplementary power connectors
-
None
Boost clock speed
850 MHz
2400 MHz
Core clock speed
780 MHz
-
Floating-point performance
547.2 gflops
-
Manufacturing process technology
28 nm
6 nm
Number of transistors
690 million
13,100 million
Pipelines / CUDA cores
320
768
Power consumption (TDP)
-
45 Watt
Texture fill rate
17.00
115.2
Memory type
DDR3
System Shared
Maximum RAM amount
4 GB
System Shared
Memory bus width
64 Bit
System Shared
Memory clock speed
2000 MHz
System Shared
Memory bandwidth
16 GB/s
-
Shared memory
-
-
Display Connectors
No outputs
No outputs
DirectX
12 (11_1)
12 (12_1)
OpenCL
1.2
2.0
OpenGL
4.6
4.6
Shader Model
5.1
6.5
Vulkan
1.2.131
1.2